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The purpose of this study is to:
1. Evaluate the relative efficacy of a treadmill desk intervention and a sit/stand desk intervention on light physical activity and sitting behaviors at work over four weeks;
2. Evaluate the relative efficacy of a treadmill desk intervention and a sit/stand desk intervention on the cardiometabolic risk profiles (composite measure of fasting glucose, insulin, triglycerides, HDL-cholesterol, and blood pressure)over a four-week period.
American workers spend 70-80% of their time at work sitting at a desk, working on a computer, talking on a telephone, and sitting in meetings. Traditional approaches to increase MVPA in the workplace may not be sustainable as they require deliberate and dedicated time away from work, and may be perceived as harmful to productivity. Sedentary behavior interventions, in contrast, do not interfere with daily tasks and productivity and require small but cumulative changes in posture and LPA throughout the workday.
Sedentary behavior interventions in the worksite, including those conducted by our team, have shown promising effects. Studies that have used multi-level approaches targeting individual, social, and environmental factors have been most effective. The most robust environmental support has been the use of sit-stand workstations, providing distinct opportunities for workers to reduce sitting while maintaining productivity. However, treadmill desks may provide an even greater opportunity to both reduce sitting and increase LPA during the workday. Thus, a pilot study is required to test the efficacy of two approaches to reduce sitting and increase LPA in the workplace.
Treadmill desk, Sit-Stand Desk
University of Minnesota West Bank Office Building
Not yet recruiting
University of Minnesota - Clinical and Translational Science Institute
Published on BioPortfolio: 2017-08-03T13:23:21-0400
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Usual level of physical activity that is less than 30 minutes of moderate-intensity activity on most days of the week.
A congenital abnormality in which the CEREBRUM is underdeveloped, the fontanels close prematurely, and, as a result, the head is small. (Desk Reference for Neuroscience, 2nd ed.)
A nonchromaffin paraganglion located in the wall of the jugular bulb. The most common tumors of the middle ear arise from this tissue. (Lockard, Desk Reference for Neuroscience, 1992, p114)
A reflex in which the AFFERENT NEURONS synapse directly on the EFFERENT NEURONS, without any INTERCALATED NEURONS. (Lockard, Desk Reference for Neuroscience, 2nd ed.)
A small protuberance at the dorsal, posterior corner of the wall of the third ventricle, adjacent to the dorsal thalamus and pineal body. It contains the habenular nuclei and is a major part of the epithalamus. (From Lockard, Desk Reference for Neuroscience, 2nd ed, p121)